Nyland, George (left), Assistant Professor of Plant Pathology in the University of California
College of Agriculture, shows a portion of a common tree mushroom to three of his students, l-r, George P.
Bonacich, Lloyd V. Edgington, and Noel F. Sommer. The students are members of a class in mycology, the
study of fungi. Microscopes are used to examine the spore formation in the fungi.